Las Vegas Sun

June 29, 2016

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In this June 19, 2014, file photo, chef Alex Tretter carries a tray of cannabis-infused peanut butter and jelly cups to the oven for baking at Sweet Grass Kitchen, a well-established Denver-based gourmet marijuana edibles bakery which sells its confections to retail outlets throughout the state.

AP Photo/Brennan Linsley

In this June 19, 2014, file photo, chef Alex Tretter carries a tray of cannabis-infused peanut butter and jelly cups to the oven for baking at Sweet Grass Kitchen, a well-established Denver-based gourmet marijuana edibles bakery which sells its confections to retail outlets throughout the state.